Newer
Older
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
// Copyright 2022 Parity Technologies (UK) Ltd.
// This file is part of Parity Bridges Common.
// Parity Bridges Common is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
// Parity Bridges Common is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with Parity Bridges Common. If not, see <http://www.gnu.org/licenses/>.
#![cfg_attr(not(feature = "std"), no_std)]
use bp_messages::*;
pub use bp_polkadot_core::{
AccountId, AccountInfoStorageMapKeyProvider, AccountPublic, Balance, BlockNumber, Hash, Hasher,
Hashing, Header, Index, Nonce, Perbill, Signature, SignedBlock, SignedExtensions,
UncheckedExtrinsic, MAX_UNCONFIRMED_MESSAGES_IN_CONFIRMATION_TX,
MAX_UNREWARDED_RELAYERS_IN_CONFIRMATION_TX, TX_EXTRA_BYTES,
};
use frame_support::{
dispatch::DispatchClass,
parameter_types,
sp_runtime::{MultiAddress, MultiSigner},
weights::{constants, WeightToFeeCoefficient, WeightToFeeCoefficients, WeightToFeePolynomial},
};
use frame_system::limits;
/// All cumulus bridge hubs allow normal extrinsics to fill block up to 75 percent.
///
/// This is a copy-paste from the cumulus repo's `parachains-common` crate.
pub const NORMAL_DISPATCH_RATIO: Perbill = Perbill::from_percent(75);
/// All cumulus bridge hubs chains allow for 0.5 seconds of compute with a 6-second average block
/// time.
///
/// This is a copy-paste from the cumulus repo's `parachains-common` crate.
pub const MAXIMUM_BLOCK_WEIGHT: Weight = constants::WEIGHT_PER_SECOND
.saturating_div(2)
.set_proof_size(polkadot_primitives::v2::MAX_POV_SIZE as u64);
/// All cumulus bridge hubs assume that about 5 percent of the block weight is consumed by
/// `on_initialize` handlers. This is used to limit the maximal weight of a single extrinsic.
///
/// This is a copy-paste from the cumulus repo's `parachains-common` crate.
pub const AVERAGE_ON_INITIALIZE_RATIO: Perbill = Perbill::from_percent(5);
parameter_types! {
pub BlockLength: limits::BlockLength = limits::BlockLength::max_with_normal_ratio(
5 * 1024 * 1024,
NORMAL_DISPATCH_RATIO,
);
pub const BlockExecutionWeight: Weight = constants::WEIGHT_PER_NANOS.saturating_mul(5_000_000);
pub const ExtrinsicBaseWeight: Weight = constants::WEIGHT_PER_NANOS.saturating_mul(125_000);
pub BlockWeights: limits::BlockWeights = limits::BlockWeights::builder()
.base_block(BlockExecutionWeight::get())
.for_class(DispatchClass::all(), |weights| {
weights.base_extrinsic = ExtrinsicBaseWeight::get();
})
.for_class(DispatchClass::Normal, |weights| {
weights.max_total = Some(NORMAL_DISPATCH_RATIO * MAXIMUM_BLOCK_WEIGHT);
})
.for_class(DispatchClass::Operational, |weights| {
weights.max_total = Some(MAXIMUM_BLOCK_WEIGHT);
// Operational transactions have an extra reserved space, so that they
// are included even if block reached `MAXIMUM_BLOCK_WEIGHT`.
weights.reserved = Some(
MAXIMUM_BLOCK_WEIGHT - NORMAL_DISPATCH_RATIO * MAXIMUM_BLOCK_WEIGHT,
);
})
.avg_block_initialization(AVERAGE_ON_INITIALIZE_RATIO)
.build_or_panic();
}
/// [`WeightToFee`] should reflect cumulus/bridge-hub-* [`WeightToFee`]
pub struct WeightToFee;
impl WeightToFeePolynomial for WeightToFee {
type Balance = Balance;
fn polynomial() -> WeightToFeeCoefficients<Self::Balance> {
pub const CENTS: Balance = polkadot_runtime_constants::currency::CENTS;
// In BridgeHub, we map the extrinsic base weight to 1/100 CENT.
let p = CENTS;
let q = 100 * Balance::from(constants::ExtrinsicBaseWeight::get().ref_time());
smallvec::smallvec![WeightToFeeCoefficient {
degree: 1,
negative: false,
coeff_frac: Perbill::from_rational(p % q, q),
coeff_integer: p / q,
}]
}
}
/// Public key of the chain account that may be used to verify signatures.
pub type AccountSigner = MultiSigner;
/// The address format for describing accounts.
pub type Address = MultiAddress<AccountId, ()>;